DOCUMENT CONTAINING UV ABSORBING SECURITY MARK
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United States of America Patent
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Issued Date -
Nov 20, 2014
app pub date -
May 17, 2013
filing date -
May 17, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A document with a security marker includes a substrate comprising an optical brightener; a background comprising an ultraviolet (UV) absorbing material arranged in a first pattern of lines having a first frequency and a first orientation; and a security mark comprising the UV material arranged in a second pattern of lines having a second frequency and a second orientation.
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